Today a science-minded friend posted a screenshot of a post by another individual to the FB group 1080 eyewitness. Because it is a) heavy on the innuendo, b) inaccurate, and c) decidedly unpleasant, I thought it worthy of a bit of additional attention. Let’s look at c) first. The original poster claimed to have written this on the Prime Minister’s … Read More

We have all sat through boring, and counterproductive, PowerPoint presentations. Boring because the presenter breaks all the rule relevant to the preparation of visual displays. And counterproductive because, in the end, the audience does not remember any of the information the presenter attempts to convey. David JP Phillips gives some relevant advice on PowerPoint preparation in the video … Read More

‘Raw water’ – the latest foolish fad to hit people’s screens, pockets, & in some instances I’d guess their toilet paper expenditure as well. I first heard of this particular litre of woo when I read an article in the New York Times with the headline: Unfiltered Fervor: the rush to get off the water grid. Apparently getting ‘off … Read More

Conspiratorial people love to claim that the government adds fluoride to water and toothpaste in some dastardly plan to make us all sleepy slaves, helpless to resist their evil bidding. The truth, however, is far less scandalous and far more reassuring – fluoride is your friend, my friend, and geochemistry is how we know this! Teeth are comprised of … Read More

Prof Alistair Woodward, A/Prof Simon Hales An Independent Inquiry is now investigating the cause of the water-borne outbreak caused by Campylobacter in Havelock North. In this blog we consider the background to this issue and argue the Inquiry must not miss the opportunity to think up-stream, on the scale of water catchments, agricultural economies and climate systems. “Alarming new … Read More

One of the myths promoted by the anti-fluoride people is that fluoridation is bad for our bones. As with similar myths the evidence used to support the claims usually comes from studies of situations where people have high F intake, … Continue reading → … Read More

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